Quickly find current Washington state sales tax rates using your mobile device. Calculate total charges with tax, save and export location data for bookkeeping, and verify rates on the go.
Wa Sales Tax by Washington State Department of Revenue






175+ iOS apps curated and reviewed
Finding the right wa sales tax apps can be overwhelming with so many options. We've analyzed 175+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | 4.0★ (4) | No | No | Sep 2026 | ||
| 2 | Free | 4.8★ (5.4K) | Yes | Yes | Sep 2026 | ||
| 3 | Free | 4.8★ (116K) | No | No | Sep 2026 | ||
| 4 | $4.99 | 4.8★ (747) | No | No | Aug 2026 | ||
| 5 | Free | 4.8★ (19K) | Yes | No | Sep 2026 | ||
| 6 | Free | 4.8★ (2.5K) | Yes | Yes | Sep 2026 | ||
| 7 | Free | 4.6★ (58K) | No | No | Sep 2026 | ||
| 8 | Free | 3.6★ (1.1K) | No | No | Sep 2026 |






Quickly find current Washington state sales tax rates using your mobile device. Calculate total charges with tax, save and export location data for bookkeeping, and verify rates on the go.




Easily calculate sales tax on purchases with this intuitive and accurate tool. Save multiple tax rates, perform arithmetic calculations, and support all currencies. An optional Pro version offers additional features like item logging and reverse tax calculation.






Easily prepare and file your federal and state tax returns from any device. Automatically populate up to 80 fields by uploading last year's return. Get expert help, track your refund, and maximize your refund with personalized insights.